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new 8n governor will not govern.

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Royse
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Joined: 17 Jan 2011
Posts: 14981
Location: Ionia County Michigan

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PostPosted: Sat Jan 13, 2018 11:23 am    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote

You're welcome. I have an 8N governor on the bench if you still
need that measurement. I'd be happy to measure it for you.
Need a little more detail on what measurement though.

I have a carburetor out here that every time I put it on my 8N
will gradually open to full throttle and run there. Any other carb
I put on this tractor works fine, so I know the governor is not
the problem. That's why I asked what yours does.
 
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msgtusafret
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Joined: 11 Jan 2018
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PostPosted: Sat Jan 13, 2018 12:34 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote


Nothing change spring or no spring, book calls it a throttle spring.
the hand control will stay were i put it.
the one thing seem strange is, it will not travel all the way to Min.
another is the arm to carb. seems like it can't over come the governor spring tension, I've check it there is no pre-load.
I do have the linkages on the right arms.
 
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R Geiger
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Joined: 19 Apr 2009
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Location: Banks, Oregon

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PostPosted: Sat Jan 13, 2018 12:45 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote

Have you adjusted the rod going to the gov like the book talks about?
 
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msgtusafret
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PostPosted: Sun Jan 14, 2018 8:28 am    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote


I have two books, one older than the other, the older book highlights the "jig part #ELO7691 with the a gauge to measure the carb. arm. Then put it on the jig to bend with a hammer for the correct angle.
The new book says to bend the linkage like you suggested, and I have tried that, bending it almost to a 90* still has not worked.
I do thank you
I'am going the experiment, along toughs same line I let you know, what,and if it works
 
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R Geiger
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Location: Banks, Oregon

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PostPosted: Sun Jan 14, 2018 8:44 am    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote

msgtusafret wrote:
(quoted from post at 10:28:41 01/14/1Cool
I have two books, one older than the other, the older book highlights the "jig part #ELO7691 with the a gauge to measure the carb. arm. Then put it on the jig to bend with a hammer for the correct angle.
The new book says to bend the linkage like you suggested, and I have tried that, bending it almost to a 90* still has not worked.
I do thank you
I'am going the experiment, along toughs same line I let you know, what,and if it works


There should be no bending of the linkage on an 8N, that is for the 9n and 2n. I think that the bending of the arm as shown in the old book was replaced by bending the tangs on the spring to achieve the same thing. good luck
 
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msgtusafret
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PostPosted: Mon Jan 15, 2018 1:19 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote

I constructed a new linkage out of all thread for the carburetor to the shorter arm on governor, hoping that it would give about two inches of adjustment.
While letting it warm up in idle about 600rpm on the tach, all of a sudden, the tach spun all the way around against the zero peg????
Iam still @ idle I take the cable off the tach to see if the cable is still turning, it is, but the tach slowly drop back to zero.
That's not all the governor oil is coming out of the cable!!!
I am beginning to think my tractor is possessed, the tach has oil in witch can't be right.
 
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R Geiger
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Location: Banks, Oregon

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PostPosted: Mon Jan 15, 2018 2:24 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote


Look at the picture I posted. You will see an oil line going to the back of the governor. It is the rod coming from the throttle lever that you adjust not he short one going to the carb.
 
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msgtusafret
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PostPosted: Mon Jan 15, 2018 5:30 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote


When everything is adjusted correctly, will the throttle control move the entire arc of the quadrant, or will the arc narrow?

This tractor is a hybrid, engine has 9n serial #, but the rest is a collection different year 8n. I have always had to manually control the speed up or down a hill with the hand control.

It seems that the geometry between the quadrant and the carb. is not right?????

Any thoughts of the oil from the governor in the tach?
 
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Royse
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Location: Ionia County Michigan

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PostPosted: Mon Jan 15, 2018 5:58 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote

The throttle linkage hooks to the governor.
The governor then controls the carb based on centrifugal force/speed.
When adjusted and working properly, the throttle works throughout
the quadrant and the governor holds engine RPM close to where you
set it regardless of up hill, down hill or load. It is quite noticeable
when the governor kicks in and compensates for the changes.

As long as your governor and linkage is all 8N, the block/engine
being 9N should make no difference in their operation.
The 9N/2N governor and linkage was different, but would not
hook up easily to an 8N and would not have a proofmeter cable.
You should not have oil coming out of the proofmeter cable.
 
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msgtusafret
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PostPosted: Mon Jan 15, 2018 8:17 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote


Thanks again, Royse I just needed someone to confirm my suspicions, I'll start over with the throttle linkage.
 
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msgtusafret
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PostPosted: Tue Jan 16, 2018 5:02 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote



This spring tab was hitting the steering box, and would not let the throttle go to min.
 
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msgtusafret
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PostPosted: Tue Jan 16, 2018 5:03 pm    Post subject: Re: new 8n governor will not govern. Reply to specific post Reply with quote



This spring tab was hitting the steering box, and would not let the throttle go to min.
 
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